252746404 has 9 divisors (see below), whose sum is σ = 442361857. Its totient is φ = 126357304.

The previous prime is 252746399. The next prime is 252746407. The reversal of 252746404 is 404647252.

The square root of 252746404 is 15898.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 120956004 + 131790400 = 10998^2 + 11480^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252746404.

It is not an unprimeable number, because it can be changed into a prime (252746407) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 27822 + ... + 35770.

Almost surely, 2^252746404 is an apocalyptic number.

252746404 is the 15898-th square number.

It is an amenable number.

252746404 is a deficient number, since it is larger than the sum of its proper divisors (189615453).

252746404 is an frugal number, since it uses more digits than its factorization.

252746404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15902 (or 7951 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The cubic root of 252746404 is about 632.2589636016.

The spelling of 252746404 in words is "two hundred fifty-two million, seven hundred forty-six thousand, four hundred four".